dtjrafort



(No Model.) 4 Sheets-Sheet l.

V. E. J. DURAFORT.

SELTZOGENE.

(No Model.) 4 Sheets-Sheet 2.

V. E. J. DURAFORT.

SELTZDGBNB.

No. 545,35L Patented Aug. 27,1895. Figl (No Model.) l 4 Sheets-Sheet 3. V. E. J. DURAFORT.

5 SELTZGGBNE. No. 545,351. Patented Aug. 27,1895.

figa fig 'terior of the tube or chamber.

' AiUNrrsD Turns .errar rrrca.

VICTOR ERNEST JULES DURAFRT, F PARlS, FRANCE.

ssifra'ocsus.

SPECIFICATION forming part of Letters Patent No. 545,351, dated August 27, 1895.V

Application tiled February 1.9, 1895. Serial No. 538,993. (No model.) Patented in France August 22, 1892, No. 223,985, and in England January 10, 1893, No. 509.

To all whom it my concern,.-

Be it known that l, Vieron ERNEST JULES DURAFORT, a citizen of France, and a resident of Paris, in the Department of the Seine, France, have invented a new'and useful lmprovement in Seltzogenes and Like Apparatus, (for which I have obtained Letters Patent in Great Britain, dated January 10, 1893, No. 509, and in France, dated August 22, 1892, No. 223,985) of which the following is a specification.

"this invention consists in apparatus enabling liquids contained in Siphon-bottles and other like receptacles to be charged with oarbonic'acid or other gas without the aid of special installations by means of small tubes or cartridges filled with compressed or liquelied carbonio-acid or other gas which is to be dissolved in the liquid to be gasilied or aerated. The characteristic of the apparatus is the facility with which the small recipient or cartridge, when empty, can be replaced by a filled one.y

According to this invention the head of the Siphon-bottle or the like 'is provided with a metallic tube or chamber which is open at its upper end and may be prolonged at its lower end, so as to'dip into the water or other liquid contained in the Siphon, and into this tube or chamber the holder or cartridge containing the compressed or liquefied gas is placed, said holder or cartridge being of such a size as to leave a space between itself and thein- The holder or cartridge consists of a strong tube furnished with a ball or other suitable valve, which is kopt normally closed bythe internal pressure of the compressed or liqueliedgas contained in the said cartridge. This holder or cartridge is placed within the beforednentioned tube or chamber through an opening formed in the head of the Siphon, which is hermetically closed by ascrewedcover or stopper. Through this cover or stopper passes a headed screw which terminates just above the valve ot the cartridge, so that by operating said screw the valve is opened and the compressed or liquelied gas is allowed to gradually escape from the cartridge and to enter the liquid in the siphon, and which liquid, when saturated with the gas, can be drawn o througha tube communicating with the tap or cock of the siphon-bottle or the like. When the cartridge is empty, it is only necessary to unscrew the cover or stopper on the head ot' the siphonbottle, then remove the cartridge, and insert a fresh one in its place; and in order that the invention may be readily understood,l will proceed to describe the same fully with reference to the annexed drawings, in which Figure 1 is an elevation with the upper part in vertical section, showing a flask or siphonreceptacle containing my invention. Fig. 2 is a similar view showing a slightlymodiiied construction. Figs. Sand 4 are vertical sections showing the application of the inventransverse section on the line A B in Fig. 4. Fig. 6 is a Vertical section showing a modied form of the device illustrated in Fig. 2.

Referring to Fig. 1, the apparatus here represents a Siphon-head which is Iixed upon the neck of a thick glass or other receptacle 2 by being screwed to an inner or fixed ring 3 3, formed in two parts and having a rubber washer 4 interposed to insure tightness. This is a usual mode of fixing, upon which the invention does not bear, but is only mentioned by way of example, as any other suitployed.

1 is the head of the Siphon, which is provided with a tap or cock 5 for drawing off the gaseous liquid which has been forced by pressure into a tube 6, said tube being connected at its lower part to a glass tube 7. This arrangement is thus rmly secured to the siphon bottle or vessel 2, which is l'led with liquid by unscrewing the screw-cap or stopper 8, which is furnished with an elastic washer 9. Into this cap or stopper is screwed a metal tube 10, terminating at bottom in a dip-tube 11. In the tube is located the cartridge or gas-receptacle, suiiicient space beingleft to allow free passage to the gas-for instance, compressed or liqueed carbonicacid gas.

The cartridge consists of a strong metal tube 12, closed at its lower end and provided at its upper with a narrow orifice which is kept closed by a ball 1S or by any suitable valve tion to anordinary Siphon-head, Fig. 5 is a shown in vertical section through its axisl able means for the same purpose may be emn This apparatus works as follows, it being supposed, for instance, to be applied tothe manufacture of seltzer-waterz The. bottle being filled with water u'p to the height of the glass tube 11 and therreceptacle 12 with liqvuid carbonio acid, the milled button l is turned in the required direction so as to cause the rod or valve 14 to descend. This latter slightly pushes down the ball 13. and allowsl the carbonic-acid gas, whichills the tube as well as the tube 11, to escape gradually and to pass 'out through the lower orifice of this tube, so as to bubble up -into the water, where it is immediately dissolved. The gas then escapes moderately from thecartridge wherein it is compressed, and without shock. In this way, by being able to'regulate the escape of the gas, 'any danger which may arise I rom 'a too sudden opening of the cartridge is avoided. If needed, the Siphon may be shaken to hasten the saturation, and it will be sucient to gradually open the tap 5 to allow the gaseous liquid toiiow out of the apparatus. When the apparatus is empty, it is quite easy to renew the operation. This can be eiected by uns'crewing the screw-cap or stopper 8, re-

moving it, and also by unscrewing therefrom the tube 10, into which a fresh cartridge of compressed gas is introduced. This advantage of being able to readily remove and replace the cartridge is an essential feature of the invention, as it does not exist in other apparatus as heretofore constructed. To ret duce the size and weight of the siphon-head, the apparatus may also be constructed as shown in Figs. 2 to 5, in which the same numerals of reference represent corresponding parts or perform the same oiiice as those in Fig. 1.

Referring to Fig. 2, this shows, in vertical axial section, an apparatus which is only a variant in form of that previously described. By arranging the two tubes 11 and 7 concentrically,vas shown in the said figure, a Siphonhead is obtained which may be' adapted to vessels havinga smaller or narrow neck, while the height and the capacity 'of theliquid-carbonic-acid cartridge 12 may be increased, and hence its duration of service. The ball 13 (shown in Fig. l) may also be replaced .by a stem-valve designated by the same numeral' as in Fig. 2. For convenience of transport of the siphons by hand, it is advantageous to cast a small handle 18 ou the Siphon-head.

The working oftthis apparatus is absolutely identical with that previously described. The gaseous carbonio acid which escapes from the cartridge fillsI the free space in the tube 10 and enters the water through the tube ll. When the tap 5 is opened, the liquid is .forced out by the pressure inthe annular space between the tubes 11 'and 7 and flows out after having filled the space 6.

Referring to Figs. 3 to-5, these show, respectively, invertical axial sections on perpendicular planes and in horizontal transverse section'on the line A Bof Fig. 4, apparatus of this system applied to an ordinary Siphon-head. In this case the size of the liqF uid-carbonic-acid cartridge 12 is greatly reduced, so that without increasing excessively the size of the head the cartridge may be placed into the spherical space or cylindrespherical space 10. The gaseous carbonio acid, after having escaped from the cartridge through thejsmall-valve 13, enters the Water in the siphon through the small passage ll (formed in the metal of the head atthe time of casting) and through the usual glass tube 7, which likewise allows passage to the gaseous water forced out by pressure when the lever 19 is depressed to remove the valve 20 from its seat, against which it is kept normally pressed-by the coiled spring 21 and by the internal pressure of the gas. This apparatus is used in exactly the same manner as the precedingo'nes. When the liquid-carbonic-acid cartridge is empty, it is only necessary to unscrew the upper hemisphere of the chamber 10 to withdraw it and to insert a lled cartridge.

The'apparatus shown in Fig. 6 is a modified form of the device illustrated by Fig. 2, from which, however, it is distinguished bythe following features: The cartridge 12, containing the liquid carbonio acid, is wider 'and shorter and the stem-valve 13 islocated at the bottoni instead of being at the top of said cartridge, the opening ofthe valve 13 being effected by screwing the cap or stopper 14. The cartridge 12 rests upon an india-rubber washer 20. Across the path of the gaseous carbonio acid a wire-gauze or perforated plate 21 is provided, in order to slacken the escape of the gas. The

pipe 11, through which the latter enters the' water in the siphon bottle, is made of alun minium, and the tube 7, through which the liquid is forced toward the tap or cock 5, is secured to the head of the Siphon-bottle by means of an india-rubber sleeve 22,;tted into a porcelainor like inner coating, vintended to avoid any contact of the gaseous vliquid with the metal of the Siphon-bottle head.

The apparatus shown in Fig. 6 is also provided with a filling-in tube 24, secured to IIO the head of the Siphon-bottle by means of an india-rubber washer 25. Through said tube the liquid to be saturated with gas lisli'i'ntroduced and the vfilling in is 'autoniatcally stopped as soon as the level of the liquid reachesthe lower end of the tube 24, the'length of which issuch that the siphonbottlecannot be nnedbeyod about two-thirds of its height.

It is thus insured that a su'icient capacity will remain lfor containing the gas above the liquid. Instead of the filling-iu tube 24 a funnel of the same height could be' employed.

l The other features and the working of this de` Y' vice are like those of the apparatus illustrated by Fig. 2.

Having now particularly described and asf end a prolongation constituting a dip-tube, a

ceptacle, containing cOmpIfeSSed or liquefied gas, inserted in the tube beneath the cap or stopper, the upper end of `said cartridge hav ing a ball held 'by pressure in'an oriice in the threaded rod tapped through the cap, or stopscrewed inward, substantially as described.

In testimonywhereof I Yhave signed this 'specification in the presenceot two subscribing witnesses. V

Y vieron rsrrsr'mtrs nummer.

-Witnessesz 1 CLYDE SHROPSHIRE, N. JOUY.

removable and replaceable cartridge, or reper, and adapted to unseat said ball by being` upper end of the cartridge, and a sorewl 

